G(f(x))=? g(x)=2x^2-4? hope this is what you mean
g(f(x))=2(4x+2)^2-4
g(f(x))=2(16x^2+16x+4)-4
g(f(x))=32x^2+32x+8-4
g(f(x))=32x^2+32x+4
But this is not a question. proof? no question mark
Basically you do 25.50 time .15 (15% is equal to .15) and you get 3.825 or $3.83
hope this helped
